It borders at North with the State of California, which has led the border between Tijuana and San Ysidro to become the largest and most transited crossing point in the world. Tijuana is considered as a cosmopolitan city for being a commercial and cultural center, in addition to having significant production and manufacturing activities in the northeast of Mexico. Tijuana is home to more than 75 million square feet of industrial real estate with more than 3.2 million square feet of available space in both new and pre-owned buildings in 51 industrial parks within the city.